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US 5,398,852 AGranted
Tank pressurization cap
OwnerJohnson W. Lacyinventor
Life of this patent
Estimating the term…
Abstract
A unitary pressurizing tank cap used for direct substitution of existing manual pump spray closures. The tank cap connects to a standard garden hose and uses household water pressure to pressurize a tank's contents. The cap includes a flexible bladder for insertion into the tank. The cap further includes a handle which can be used for carrying the tank and screwing and unscrewing the cap.
Claims13
A unitary pressurizing tank closure assembly for a portable sprayer apparatus comprising:
- a closure cap assembly having a passageway therethrough for attachment to a fill opening of a dispensing tank;
- a flexible bladder having a neck associated with said closure cap assembly and of a size when collapsed to fit into and be inserted into the fill opening of the tank and with an expanded size to fill the tank;
- a handle associated with said closure cap assembly for carrying the tank;
- said cap assembly comprises a connector affixed to said handle and having screw threads for attachment into the tank which are adapted to be screwed and unscrewed by said handle;
- and
- a hose connector assembly attached to said closure cap assembly as a part thereof and having an external attachment end for attaching to a water hose.
3 more elements
A portable liquid spraying apparatus comprising:
- a tank having a dispensing hose connected thereto and a fill opening at the top thereof;
- a sealing cap having a handle, an inwardly projecting throat and a passageway through said throat;
- a flexible pressurizing bladder having an opening associated with said inwardly projecting throat and extending into said tank;
- a sealing plug for sealing said passageway in said inwardly projecting throat;
- a hose connection on said sealing plug for connecting to a pressurized source of water;
- and
- a passageway in said sealing plug for connecting said hose connection to said bladder whereby pressurized water may be introduced into said bladder to expand it to pressurize liquid in said tank so that the liquid can be dispensed through said dispensing hose.
4 more elements
Dependencies are inferred from the claim text.